Lines Matching defs:ipcp

173     struct kern_ipc_perm *ipcp;

175     ipcp = rhashtable_lookup_fast(&ids->key_ht, &key, ipc_kht_params);

176     if (!ipcp) {

181     ipc_lock_object(ipcp);

182     return ipcp;

353  * @ipcp: ipc permission set

363  * It is called with ipc_ids.rwsem and ipcp->lock held.

365 static int ipc_check_perms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, const struct ipc_ops *ops,

370     if (ipcperms(ns, ipcp, params->flg)) {

373         err = ops->associate(ipcp, params->flg);

375             err = ipcp->id;

399     struct kern_ipc_perm *ipcp;

408     ipcp = ipc_findkey(ids, params->key);

409     if (ipcp == NULL) {

424                 err = ops->more_checks(ipcp, params);

431                 err = ipc_check_perms(ns, ipcp, ops, params);

434         ipc_unlock(ipcp);

444  * @ipcp: ipc perm structure containing the key to remove

449 static void ipc_kht_remove(struct ipc_ids *ids, struct kern_ipc_perm *ipcp)

451     if (ipcp->key != IPC_PRIVATE) {

452         WARN_ON_ONCE(rhashtable_remove_fast(&ids->key_ht, &ipcp->khtnode, ipc_kht_params));

459  * @ipcp: ipc perm structure containing the identifier to remove

464 void ipc_rmid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp)

466     int idx = ipcid_to_idx(ipcp->id);

468     WARN_ON_ONCE(idr_remove(&ids->ipcs_idr, idx) != ipcp);

469     ipc_kht_remove(ids, ipcp);

471     ipcp->deleted = true;

487  * @ipcp: ipc perm structure containing the key to modify

492 void ipc_set_key_private(struct ipc_ids *ids, struct kern_ipc_perm *ipcp)

494     ipc_kht_remove(ids, ipcp);

495     ipcp->key = IPC_PRIVATE;

515  * @ipcp: ipc permission set

523 int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flag)

528     audit_ipc_obj(ipcp);

530     granted_mode = ipcp->mode;

531     if (uid_eq(euid, ipcp->cuid) || uid_eq(euid, ipcp->uid)) {

533     } else if (in_group_p(ipcp->cgid) || in_group_p(ipcp->gid)) {

541     return security_ipc_permission(ipcp, flag);

700     struct kern_ipc_perm *ipcp;

702     ipcp = ipc_obtain_object_check(ids, id);

703     if (IS_ERR(ipcp)) {

704         err = PTR_ERR(ipcp);

708     audit_ipc_obj(ipcp);

714     if (uid_eq(euid, ipcp->cuid) || uid_eq(euid, ipcp->uid) || ns_capable(ns->user_ns, CAP_SYS_ADMIN)) {

715         return ipcp; /* successful lookup */